小学英语时态讲解及练习:一般现在时

一、一般现在时的功能

1.表示事物或人物的特征、状态。如:The sky is blue.天空是蓝色的。
2.表示经常性或习惯性的动作。如:I get up at six every day.我每天六点起床。
3.表示客观现实。如:The earth goes around the sun.地球绕着太阳转。

  二、一般现在时的构成

1.be动词:肯定句:主语+be(am,is,are)+其它。如:I am a boy. 我是一个男孩。
2.行为动词:肯定句:主语+行为动词(+其它)。如:We study English.我们学习英语。
当主语为第三人称单数(he, she,it)时,要在动词后加"-s"或"-es"。如:Mary likes Chinese.玛丽喜欢汉语。

  动词+s的变化规则

1.一般情况下,直接加-s,如:cook-cooks,
2.以s. x. sh. ch. o结尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes
3.以―辅音字母+y‖结尾,变y为i, 再加-es,如:study-studies 特殊:have----has

 三、一般现在时的变化

  1.be动词的变化。
否定句:主语+ be + not +其它。 如:He is not a worker.他不是工人。
一般疑问句:Be +主语+其它。如:-Are you a student? -Yes. I am. / No, I'm not.
特殊疑问句:疑问词+一般疑问句。如:Where is my bike?

  2.行为动词的变化。
否定句:主语+ don't( doesn't ) +动词原形(+其它)。如:I don't like bread.
当主语为第三人称单数时,要用doesn't构成否定句。如:He doesn't often play.
一般疑问句:Do( Does ) +主语+动词原形+其它。如:- Do you often play football? - Yes, I do. / No, I don't.
当主语为第三人称单数时,要用does构成一般疑问句。
如:- Does she go to work by bike? - Yes, she does. / No, she doesn't.
特殊疑问句:疑问词+一般疑问句?如:How does your father go to work?

  一般现在时用法练习

一、出下列动词的第三人称单数
drink ________ go _______ stay ________ make ________look _________ be________ read________
have_______ pass_______ carry ____ come________ watch______ plant_______wash________
fly ________study_______ brush________ do______ teach_______ like________ play________

二、用括号内动词的适当形式填空。
1.He often ________(have) dinner at home.
2.Daniel and Tommy _______(be) in Class One.
3.We _______(not watch) TV on Monday.
4.Nick _______(not go) to the zoo on Sunday.
5.______ they ________(like) the World Cup?
6.What _______they often _______(do) on Saturdays?
7._____ your parents _______(read) newspapers every day?
8.The girl _______(teach) us English on Sundays.
9.She and I ________(take) a walk together every evening.
10.There ________(be) some water in the bottle.
11.Mike _______(like) cooking.
12.They _______(have) the same hobby.
13.My aunt _______(look) after her baby carefully.
14.You always _______(do) your homework well.
15.I _______(be) ill. I‘m staying in bed.
16.She _______(go) to school from Monday to Friday.
17.Liu Tao _______(do) not like PE.
18.The child often _______(watch) TV in the evening.
19.Su Hai and Su Yang _____(have) eight lessons this term.
20. -What day _____(be) it today?- It‘s Saturday.

三、按照要求改写句子
1.Daniel watches TV every evening.(改为否定句)
________________________________________________________
2.I do my homework every day.(改为一般疑问句,作否定回答)
________________________________________________________
3.She likes milk.(改为一般疑问句,作肯定回答)
________________________________________________________
4.Amy likes playing computer games.(改为一般疑问句,作否定回答)
________________________________________________________
5.We go to school every morning.(改为否定句)
_______________________________________________________
6.He speaks English very well.(改为否定句)
________________________________________________________
7.I like taking photos in the park.(对划线部分提问)
________________________________________________________
8.John comes from Canada.(对划线部分提问)_
________________________________________________________
9.She is always a good student.(改为一般疑问句,作否定回答)
________________________________________________________
10.Simon and Daniel like going skating.(改为否定句)
________________________________________________________

四、改错(划出错误的地方,将正确的写在横线上)
1.Is your brother speak English? __________________
2.Does he likes going fishing? __________________
3.He likes play games after class. __________________
4.Mr. Wu teachs us English. __________________
5.She don‘t do her homework on Sundays. _________________

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